公开(公告)号：US20210002784A1

公开(公告)日：2021-01-07

申请号：US16979369

申请日：2019-05-30

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Yoon Seok OH

IPC: C30B13/24 ,  C30B29/22

Abstract: Disclosed is a method of preparing single crystal ingot of barium zirconium oxide. The method includes preparing a cylindrical BaZrO3 ceramic by pulverizing a BaZrO3 compound into a powder and sintering the same into a cylindrical ceramic form, ii) fixing two cylindrical BaZrO3 ceramics to an optical floating zone furnace, joining the two cylindrical BaZrO3 ceramics together and melting the junction at a temperature of 2,600 to 3,500° C. using light emitted from a xenon lamp or laser, and after the melting, moving the two cylindrical BaZrO3 ceramics in a direction parallel to an axis of rotation thereof, enabling the molten junction to be solidified, and thereby growing a single crystal.

公开(公告)号：US20200373618A1

公开(公告)日：2020-11-26

申请号：US16654217

申请日：2019-10-16

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Jung Young Cho ,  Yoon Sung Lee ,  Nam-Soon Choi ,  Koeun Kim ,  Sung Ji Park ,  Juyeon Lee

IPC: H01M10/0567 ,  H01M4/505 ,  H01M4/525 ,  H01M4/38 ,  H01M10/0525

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same.The electrolyte for a lithium secondary battery may include a lithium salt, a solvent component and an additive, and the additive may include a compound represented by the following Chemical formula (1). In Chemical Formula (1), R1 and R2 are each independently a linear or a branched alkyl group having 2 to 6 carbon atoms and containing 3 or more fluorine atoms.

公开(公告)号：US20200339875A1

公开(公告)日：2020-10-29

申请号：US16464433

申请日：2017-01-12

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Jong Nam PARK ,  Yo Han SUH ,  Tae Yun KIM

IPC: C09K11/06

Abstract: The present invention provides a quantum dot of which a surface is passivated with a short chain ligand, and a method of passivating a surface of the quantum dot using a ligand exchange reaction.

公开(公告)号：US20200282398A1

公开(公告)日：2020-09-10

申请号：US16758123

申请日：2017-12-22

Applicant: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY) ,  CLINOMICS CO.

Inventor： Yoon Kyoung CHO ,  Kyusaog Lee ,  Yongjin Lee

IPC: B01L3/00

Abstract: Provided is a microfluidic device to more easily and effectively operate a valve by improving the structure of valves for controlling a fluid flow more simply and efficiently, which comprises a platform having at least one chamber, at least one flow channel connected to the chambers and transfer fluid, and a valve which opens or closes the flow channel, wherein the valve comprises a body installed in the platform, a blocking plate installed in the body and positioned to face the flow channel to selectively blocks the flow channel, a pressing rod installed to be movable at the inside of the body to press the blocking plate, and a fixing unit installed at the body and fix the pressing rod at a blocking plate pressing position.

公开(公告)号：US20200274145A1

公开(公告)日：2020-08-27

申请号：US15930361

申请日：2020-05-12

Applicant: UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Youngsik KIM ,  Young Jin KIM ,  Da Song JEONG ,  Jeong Sun PARK

IPC: H01M4/1395 ,  H01M10/0525 ,  H01M10/058 ,  H01M4/04 ,  H01M10/0563 ,  H01M4/13 ,  H01M4/139 ,  H01M4/62

Abstract: Disclosed herein is an anode for a secondary battery manufactured thereby. The anode for a secondary battery includes a first adhesive member and a second adhesive member to which a plurality of electrolytes are fused, a first case configured to be fused to the first adhesive member, and a second case configured to be fused to the second adhesive member and the first case and into which an anode active material and a liquid electrolyte are injected. The anode has an effect of maximizing a reaction area because an electrolyte is exposed at both surfaces of the anode for a secondary battery.

公开(公告)号：US20200227724A1

公开(公告)日：2020-07-16

申请号：US16629234

申请日：2018-07-09

Applicant: LG Chem, Ltd. ,  UNIST (Ulsan National Institute of Science and Technology)

Inventor： Ji Won Min ,  Seok Koo Kim ,  Youngsik Kim ,  Janis Doelle ,  Seongwoo Heo ,  Youngjun Lim

IPC: H01M4/131 ,  H01M4/1391 ,  H01M4/505 ,  H01M4/525 ,  H01M4/62 ,  H01M10/0525 ,  H01M4/04

Abstract: Provided is a positive electrode for a lithium secondary battery, the positive electrode including a positive electrode mixture layer on a positive electrode current collector, wherein the positive electrode mixture layer includes a positive electrode active material and a lithium ion additive, the lithium ion additive is a lithium ion conductive ceramic material represented by Formula 1 below, and the lithium ion conductive ceramic material has a structure in which lithium ions are additionally inserted into vacancy sites of a NASICON-type (Na super ionic conductors-type) structure. Li1+x1+y1M12−x1M2x1(PO4)3   [Formula 1] In Formula 1, M1 is at least one of Ti and Ge, M2 is one or more selected from the group consisting Al, Cr, Ga, Fe, Sn, In, Lu, Y, and La, and 0

公开(公告)号：US20200080999A1

公开(公告)日：2020-03-12

申请号：US16684532

申请日：2019-11-14

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Joo Hun Kang ,  Se Yong Kwon ,  Min Seok Lee

IPC: G01N33/543 ,  B01L3/00

Abstract: Provided are a method of and apparatus for evaluating immune cells using magnetic particles. According to an aspect of the method, magnetic particles may be used to measure interaction of the magnetic particles with immune cells, thereby diagnosing or evaluating a degree of activation of immune cells of a subject or immune-related diseases of the subject. Further, according to an aspect of the apparatus, a phenomenon of interaction of magnetic particles and activated immune cells via endocytosis may be used to collect magnetic particle-immune cell complexes resulting from the interaction with the magnetic particles by applying a magnetic field, thereby effectively isolating the activated immune cells in a short period of time.

公开(公告)号：US20200063271A1

公开(公告)日：2020-02-27

申请号：US16169709

申请日：2018-10-24

Applicant: Hyundai Motor Company ,  Kia Motors Corporation ,  UNIST (ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Jang Su PARK ,  Hee Jun KIM ,  TaeWon LEE ,  Jeong Min BAIK

IPC: C25B1/04 ,  C25B11/02 ,  C01B3/06 ,  C25B9/06 ,  F21S45/33

Abstract: A water decomposition device may include a hydrogen-generating electrode including a first external electrode and at least one first internal electrode formed integrally with the first external electrode, and an oxygen-generating electrode including a second external electrode and at least one second internal electrode formed integrally with the second external electrode. The first external electrode and the second external electrode are disposed to face each other, and the first internal electrode and the second internal electrode are disposed alternately in a direction perpendicular to the longitudinal direction thereof. Therefore, the water decomposition device may secure both transparency and durability even when an opaque material is used therefor.

公开(公告)号：US10562622B2

公开(公告)日：2020-02-18

申请号：US15415969

申请日：2017-01-26

Applicant: UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Woongki Baek ,  Seong Beom Park

IPC: B64C27/08 ,  B64C39/02 ,  B64C27/14

Abstract: The present invention provides an unmanned aerial vehicle that can maintain stability by changing positions of rotating rotors when one of the rotating rotors malfunctions, and a method for controlling stability of the unmanned aerial vehicle. The unmanned aerial vehicle includes: a main body; a plurality of support bars that are arranged while forming an angle with each other along a circumferential direction of the main body and extended to an outer side from the main body; a plurality of rotating rotors that are respectively provided to the support bars and generate thrust; motors that are respectively connected to the rotating rotors to drive the rotating rotors; drivers that change positions of the respective rotating rotors along the circumferential direction of the main body by moving the support bars with respect to the main body; and a controller that maintains horizontal stability of the main body by controlling the drivers.

公开(公告)号：US20190242028A1

公开(公告)日：2019-08-08

申请号：US16317332

申请日：2017-07-12

Applicant: INSTITUTE FOR BASIC SCIENCE ,  UNIST(ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY)

Inventor： Rodney S. RUOFF ,  Sunghwan JIN

IPC: C30B1/02 ,  C30B29/02 ,  C30B25/18 ,  C22F1/08 ,  C22F1/10

CPC classification number: C30B1/02 ,  C22F1/00 ,  C22F1/08 ,  C22F1/10 ,  C30B25/14 ,  C30B25/18 ,  C30B29/02

Abstract: The present invention relates to a manufacturing method for single crystalline metal foil including: thermally treating poly-crystalline metal foil positioned to be spaced apart from a base to manufacture single crystalline metal foil, and a single crystalline metal foil manufactured thereby. According to the present invention, single crystalline metal foil having a large area may be obtained by thermally treating the poly-crystalline metal foil under a condition at which stress applied to the poly-crystalline metal foil is minimized.